ECZ 2019 · GCE Paper 1 — Matrices
Given that S = [1 0 −4; −2 1 1] (a 2×3 matrix with rows separated by semicolons), find Sᵀ.
- A. [1 −2; 0 1; −4 1]
- B. [−4 0 1; 1 1 −2]
- C. [1 0 −4; −2 1 1]
- D. [−2 1 1; 1 0 −4]
Verified working — step 1
Transposing turns rows into columns: the first row (1, 0, −4) becomes the first column, and the second row (−2, 1, 1) becomes the second column. So Sᵀ = …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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